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Thread: Suddenly slow transcoding Sony Bravia KDL

  1. #1
    Join Date
    Dec 2013
    Posts
    3

    Exclamation Suddenly slow transcoding Sony Bravia KDL

    Suddenly I have slow transcoding rates and I have no idea why since my configuration has been the same for about a year. CPU and RAM are not a problem and the storage space of the source files has not changed. Tried various settings with manual triggering of the transcoding, as well as media device profiles.

    TV: Sony Bravia KDL-55HX850
    Transcoding rate: max 20fps
    File types affected: mkv, avi, mp4
    Mezzmo version: 3.4.4.0

    FFMPEG-info below


    ffmpeg version N-50460-g393dcbf Copyright (c) 2000-2013 the FFmpeg developers
    built on Jun 27 2013 17:20:20 with gcc 4.6.2 (GCC)
    configuration: --enable-memalign-hack --arch=x86_64 --target-os=mingw32 --cross-prefix=x86_64-w64-mingw32- --enable-static --disable-shared --enable-zlib --disable-postproc --prefix=/home/peter/ffmpeg/build/gpl64 --enable-libmp3lame --enable-libx264 --enable-gpl --extra-libs='-lx264 -lpthread' --enable-runtime-cpudetect --extra-cflags=-I/home/peter/cc64/include --extra-ldflags=-L/home/peter/cc64/lib --pkg-config=pkg-config --disable-w32threads --enable-zlib
    libavutil 52. 17.103 / 52. 17.103
    libavcodec 54. 92.100 / 54. 92.100
    libavformat 54. 63.102 / 54. 63.102
    libavdevice 54. 3.103 / 54. 3.103
    libavfilter 3. 41.100 / 3. 41.100
    libswscale 2. 2.100 / 2. 2.100
    libswresample 0. 17.102 / 0. 17.102
    Metadata:
    ENCODER : Lavf53.24.0
    Duration: 00:42:36.85, start: 0.000000, bitrate: 2640 kb/s
    Stream #0:0: Video: h264 (High), yuvj420p, 1920x1080 [SAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc (default)
    Stream #0:1: Audio: aac, 48000 Hz, 5.1, fltp (default)
    At least one output file must be specified

    <MEZZMO>: Child process ended with code: 109, ExitCode=1


    ---> DB Level Info: 50, 100
    ---> Frame rate: 23.98
    ---> Aspect ratio: 16:9 PAR=1:1

    Thanks for your support
    thom
    Last edited by rameus; 12-27-2013 at 06:58 PM. Reason: added affected file types, Mezzmo version

  2. #2
    Join Date
    Nov 2007
    Location
    Melbourne, Australia
    Posts
    11,616

    Default

    One possible reason is subtitles are being burnt into your videos (which can be slower than normal transcoding). Sony Bravia TVs don't support playing external or embedded subtitles, so Mezzmo server will burn any subtitles that it finds associated with your video into the video. Right-click on a video that has been transcoded recently and click Properties. On the Properties dialog, go to the Transcoding tab and select the transcoded file listed there. Then click 'Get FFmpeg Information' and post that here.

    Mezzmo Android: Install it on your tablet, smartphone, Android TV or Amazon Fire to browse and stream files from your Mezzmo library to all your devices. Full details at http://www.conceiva.com/products/mez...mo_android.asp
    Mezzmo for Kodi Add-on: Install it into Kodi to stream files from your Mezzmo library directly in Kodi. Full details at http://www.mezzmo.com/wiki/doku.php?...odi_user_guide
    Mezzmo for Roku App: Install it onto your Roku to stream files from your Mezzmo library. Full details at http://www.mezzmo.com/wiki/doku.php?...oku_user_guide
    Wiki: User Guides & Reference Manual at http://www.mezzmo.com/wiki
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  3. #3
    Join Date
    Dec 2013
    Posts
    3

    Default

    This is what I got from it:

    ffmpeg version N-50460-g393dcbf Copyright (c) 2000-2013 the FFmpeg developers
    built on Jun 27 2013 17:20:20 with gcc 4.6.2 (GCC)
    configuration: --enable-memalign-hack --arch=x86_64 --target-os=mingw32 --cross-prefix=x86_64-w64-mingw32- --enable-static --disable-shared --enable-zlib --disable-postproc --prefix=/home/peter/ffmpeg/build/gpl64 --enable-libmp3lame --enable-libx264 --enable-gpl --extra-libs='-lx264 -lpthread' --enable-runtime-cpudetect --extra-cflags=-I/home/peter/cc64/include --extra-ldflags=-L/home/peter/cc64/lib --pkg-config=pkg-config --disable-w32threads --enable-zlib
    libavutil 52. 17.103 / 52. 17.103
    libavcodec 54. 92.100 / 54. 92.100
    libavformat 54. 63.102 / 54. 63.102
    libavdevice 54. 3.103 / 54. 3.103
    libavfilter 3. 41.100 / 3. 41.100
    libswscale 2. 2.100 / 2. 2.100
    libswresample 0. 17.102 / 0. 17.102
    [mpegts @ 000000000032f480] max_analyze_duration 60000000 reached at 60006300 microseconds
    Input #0, mpegts, from 'C:\Users\username\AppData\Local\Conceiva\Mezzmo\T ranscodingFiles\75416EBD-5B6C-4d45-AD5F-34B7E517003E\Video\57952-mpegts_transcoding-libx264-ac3-sn.mzt':
    Duration: 02:11:32.86, start: 1.394667, bitrate: 2117 kb/s
    Program 1
    Metadata:
    service_name : Service01
    service_provider: FFmpeg
    Stream #0:0[0x100]: Video: h264 (Main) ([27][0][0][0] / 0x001B), yuv420p, 1280x534 [SAR 1:1 DAR 640:267], 23.98 fps, 23.98 tbr, 90k tbn, 47.95 tbc
    Stream #0:1[0x101](eng): Audio: ac3 ([129][0][0][0] / 0x0081), 48000 Hz, 5.1(side), fltp, 448 kb/s
    At least one output file must be specified

    <MEZZMO>: Child process ended with code: 109, ExitCode=1

  4. #4
    Join Date
    Nov 2007
    Location
    Melbourne, Australia
    Posts
    11,616

    Default

    Thanks for the information. The video resolution of the transcoded file is 1280 x 534 pixels but the original video file has 1920 x 1080 pixels.

    Go to the Media Devices dialog and edit your device. On the Device Settings dialog, go to the Performance tab and make sure you have not set the "Maximum video size" checkbox. If the checkbox is selected, then unselect it and try streaming/transcoding now.

    Mezzmo Android: Install it on your tablet, smartphone, Android TV or Amazon Fire to browse and stream files from your Mezzmo library to all your devices. Full details at http://www.conceiva.com/products/mez...mo_android.asp
    Mezzmo for Kodi Add-on: Install it into Kodi to stream files from your Mezzmo library directly in Kodi. Full details at http://www.mezzmo.com/wiki/doku.php?...odi_user_guide
    Mezzmo for Roku App: Install it onto your Roku to stream files from your Mezzmo library. Full details at http://www.mezzmo.com/wiki/doku.php?...oku_user_guide
    Wiki: User Guides & Reference Manual at http://www.mezzmo.com/wiki
    Facebook: http://www.facebook.com/Mezzmo.DLNA.Server
    Twitter: https://twitter.com/conceiva_mezzmo
    Web: http://www.mezzmo.com

  5. #5
    Join Date
    Dec 2013
    Posts
    3

    Default

    thanks for the answer. this is the result i've got after changing the settings you mentioned. i now also changed burning subtitles in the media device settings (despite already unchecking them in the "subtitles" settings in the file directly). we'll see how that works out.

    it is generally only a problem with mkv-files.

    ffmpeg version N-50460-g393dcbf Copyright (c) 2000-2013 the FFmpeg developers
    built on Jun 27 2013 17:20:20 with gcc 4.6.2 (GCC)
    configuration: --enable-memalign-hack --arch=x86_64 --target-os=mingw32 --cross-prefix=x86_64-w64-mingw32- --enable-static --disable-shared --enable-zlib --disable-postproc --prefix=/home/peter/ffmpeg/build/gpl64 --enable-libmp3lame --enable-libx264 --enable-gpl --extra-libs='-lx264 -lpthread' --enable-runtime-cpudetect --extra-cflags=-I/home/peter/cc64/include --extra-ldflags=-L/home/peter/cc64/lib --pkg-config=pkg-config --disable-w32threads --enable-zlib
    libavutil 52. 17.103 / 52. 17.103
    libavcodec 54. 92.100 / 54. 92.100
    libavformat 54. 63.102 / 54. 63.102
    libavdevice 54. 3.103 / 54. 3.103
    libavfilter 3. 41.100 / 3. 41.100
    libswscale 2. 2.100 / 2. 2.100
    libswresample 0. 17.102 / 0. 17.102
    [mpegts @ 000000000032f460] max_analyze_duration 60000000 reached at 60006300 microseconds
    Input #0, mpegts, from 'C:\Users\***\AppData\Local\Conceiva\Mezzmo\Transc odingFiles\75416EBD-5B6C-4d45-AD5F-34B7E517003E\Video\57952-mpegts_transcoding-libx264-ac3-sn.mzt':
    Duration: 02:11:32.86, start: 1.394667, bitrate: 2117 kb/s
    Program 1
    Metadata:
    service_name : Service01
    service_provider: FFmpeg
    Stream #0:0[0x100]: Video: h264 (Main) ([27][0][0][0] / 0x001B), yuv420p, 1280x534 [SAR 1:1 DAR 640:267], 23.98 fps, 23.98 tbr, 90k tbn, 47.95 tbc
    Stream #0:1[0x101](eng): Audio: ac3 ([129][0][0][0] / 0x0081), 48000 Hz, 5.1(side), fltp, 448 kb/s
    At least one output file must be specified

    <MEZZMO>: Child process ended with code: 109, ExitCode=1

  6. #6
    Join Date
    Nov 2007
    Location
    Melbourne, Australia
    Posts
    11,616

    Default

    The transcoded file still has a resolution of 1280 x 534 pixels. It's best we see a set of logs and we'll know what's happening. Turn on logging in Mezzmo (see http://forum.conceiva.com/showthread...nostic-logging) and restart your Mezzmo server. Go to the Media Devices dialog and edit your device. On the Device Settings dialog, go to the Transcoding tab and delete your transcoded files. Now try streaming the MKV to your device. After it plays for a few minutes, stop your Mezzmo server and exit Mezzmo. Zip up all your logs and email them to us at support [at] conceiva [dot] com.

    Mezzmo Android: Install it on your tablet, smartphone, Android TV or Amazon Fire to browse and stream files from your Mezzmo library to all your devices. Full details at http://www.conceiva.com/products/mez...mo_android.asp
    Mezzmo for Kodi Add-on: Install it into Kodi to stream files from your Mezzmo library directly in Kodi. Full details at http://www.mezzmo.com/wiki/doku.php?...odi_user_guide
    Mezzmo for Roku App: Install it onto your Roku to stream files from your Mezzmo library. Full details at http://www.mezzmo.com/wiki/doku.php?...oku_user_guide
    Wiki: User Guides & Reference Manual at http://www.mezzmo.com/wiki
    Facebook: http://www.facebook.com/Mezzmo.DLNA.Server
    Twitter: https://twitter.com/conceiva_mezzmo
    Web: http://www.mezzmo.com

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